As of 2010, the total population of Harris County is 4,092,459, which is 20.35% more than it was in 2000. The population growth rate is about the same as the state average rate of 20.59% and is much higher than the national average rate of 9.71%. The Harris County population density is 2,302.39 people per square mile, which is much higher than the state average density of 93.62 people per square mile and is much higher than the national average density of 81.32 people per square mile. The most prevalent race in Harris County is white, which represent 56.65% of the total population. The average Harris County education level is about the same as the state average and is lower than the national average.